20475371280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 960

約数和(自身を含む): 85719513600

約数和(自身を除く): 65244142320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 48, 49, 52, 53, 56, 57, 60, 65, 70, 76, 78, 80, 84, 91, 95, 98, 104, 105, 106, 112, 114, 120, 130, 133, 140, 147, 152, 156, 159, 168, 182, 190, 195, 196, 208, 210, 212, 228, 240, 245, 247, 260, 265, 266, 273, 280, 285, 294, 304, 312, 318, 336, 343, 361, 364, 371, 380, 390, 392, 399, 420, 424, 455, 456, 490, 494, 520, 530, 532, 546, 560, 570, 588, 624, 636, 637, 665, 686, 689, 722, 728, 735, 741, 742, 760, 780, 784, 795, 798, 840, 848, 910, 912, 931, 980, 988, 1007, 1029, 1040, 1060, 1064, 1083, 1092, 1113, 1140, 1176, 1235, 1272, 1274, 1330, 1365, 1372, 1378, 1444, 1456, 1470, 1482, 1484, 1520, 1560, 1590, 1596, 1680, 1715, 1729, 1805, 1820, 1855, 1862, 1911, 1960, 1976, 1995, 2014, 2058, 2067, 2120, 2128, 2166, 2184, 2226, 2280, 2352, 2470, 2527, 2544, 2548, 2597, 2660, 2730, 2744, 2756, 2793, 2888, 2940, 2964, 2968, 3021, 3120, 3180, 3185, 3192, 3430, 3445, 3458, 3610, 3640, 3705, 3710, 3724, 3822, 3920, 3952, 3990, 4028, 4116, 4134, 4240, 4332, 4368, 4452, 4459, 4560, 4655, 4693, 4823, 4940, 5035, 5054, 5096, 5145, 5187, 5194, 5320, 5415, 5460, 5488, 5512, 5565, 5586, 5776, 5880, 5928, 5936, 6042, 6360, 6370, 6384, 6517, 6860, 6890, 6916, 7049, 7220, 7280, 7410, 7420, 7448, 7581, 7644, 7791, 7980, 8056, 8232, 8268, 8645, 8664, 8904, 8918, 9310, 9386, 9555, 9646, 9880, 10070, 10108, 10192, 10290, 10335, 10374, 10388, 10640, 10830, 10920, 11024, 11130, 11172, 11760, 11856, 12084, 12103, 12635, 12720, 12740, 12985, 13034, 13091, 13377, 13720, 13780, 13832, 13965, 14079, 14098, 14440, 14469, 14820, 14840, 14896, 15105, 15162, 15288, 15582, 15960, 16112, 16464, 16536, 17290, 17328, 17689, 17808, 17836, 18179, 18620, 18772, 19110, 19133, 19292, 19551, 19760, 20140, 20216, 20580, 20670, 20748, 20776, 21147, 21660, 21840, 22260, 22295, 22344, 23465, 24115, 24168, 24206, 25270, 25480, 25935, 25970, 26068, 26182, 26754, 27440, 27560, 27664, 27930, 28158, 28196, 28880, 28938, 29640, 29680, 30210, 30324, 30576, 31164, 31920, 32585, 32851, 33072, 33761, 34580, 35245, 35378, 35672, 36309, 36358, 37240, 37544, 37905, 38220, 38266, 38584, 38955, 39102, 39273, 40280, 40432, 41160, 41340, 41496, 41552, 42294, 43320, 44520, 44590, 44688, 46930, 48230, 48336, 48412, 49343, 50540, 50960, 51870, 51940, 52136, 52364, 53067, 53508, 54537, 55120, 55860, 56316, 56392, 57399, 57876, 59280, 60420, 60515, 60648, 62328, 65170, 65455, 65702, 66885, 67522, 69160, 70395, 70490, 70756, 71344, 72345, 72618, 72716, 74480, 75088, 75810, 76440, 76532, 77168, 77910, 78204, 78546, 80560, 82320, 82680, 82992, 84588, 84721, 86640, 88445, 89040, 89180, 90895, 91637, 93860, 95665, 96460, 96824, 97755, 98553, 98686, 101080, 101283, 103740, 103880, 104272, 104728, 105735, 106134, 107016, 109074, 111720, 112632, 112784, 114798, 115752, 120840, 121030, 121296, 123823, 124656, 130340, 130910, 131404, 133770, 133931, 135044, 138320, 140790, 140980, 141512, 144690, 145236, 145432, 148029, 151620, 152880, 153064, 155820, 156408, 157092, 164255, 165360, 168805, 169176, 169442, 176890, 178360, 181545, 181790, 183274, 187720, 191330, 192920, 193648, 195510, 196365, 197106, 197372, 202160, 202566, 207480, 207760, 209456, 211470, 212268, 214032, 218148, 223440, 225264, 229596, 229957, 231504, 236327, 241680, 242060, 246715, 247646, 248729, 254163, 260680, 261820, 262808, 265335, 267540, 267862, 270088, 272685, 274911, 281580, 281960, 283024, 286995, 289380, 290472, 290864, 296058, 303240, 306128, 311640, 312816, 314184, 328510, 337610, 338352, 338884, 345401, 353780, 356720, 363090, 363580, 366548, 371469, 375440, 382660, 385840, 391020, 392730, 394212, 394744, 401793, 405132, 414960, 422940, 423605, 424536, 436296, 458185, 459192, 459914, 472654, 484120, 492765, 493430, 495292, 497458, 506415, 508326, 521360, 523640, 525616, 530670, 535080, 535724, 540176, 545370, 549822, 563160, 563920, 573990, 578760, 580944, 592116, 606480, 619115, 623280, 628368, 641459, 657020, 669655, 675220, 677768, 689871, 690802, 707560, 708981, 726180, 727160, 733096, 740145, 742938, 746187, 765320, 782040, 785460, 788424, 789488, 803586, 810264, 845880, 847210, 849072, 872592, 916370, 918384, 919828, 937517, 945308, 968240, 985530, 986860, 990584, 994916, 1012830, 1016652, 1036203, 1047280, 1061340, 1070160, 1071448, 1090740, 1099644, 1126320, 1147980, 1149785, 1157520, 1181635, 1184232, 1238230, 1243645, 1270815, 1282918, 1314040, 1339310, 1350440, 1355536, 1374555, 1379742, 1381604, 1415120, 1417962, 1452360, 1454320, 1466192, 1480290, 1485876, 1492374, 1530640, 1564080, 1570920, 1576848, 1607172, 1609699, 1620528, 1691760, 1694420, 1727005, 1741103, 1832740, 1839656, 1857345, 1875034, 1890616, 1924377, 1971060, 1973720, 1981168, 1989832, 2008965, 2025660, 2033304, 2072406, 2122680, 2142896, 2181480, 2199288, 2295960, 2299570, 2363270, 2368464, 2476460, 2487290, 2541630, 2565836, 2628080, 2678620, 2700880, 2749110, 2759484, 2763208, 2812551, 2835924, 2904720, 2960580, 2971752, 2984748, 3141840, 3207295, 3214344, 3219398, 3388840, 3449355, 3454010, 3482206, 3544905, 3665480, 3679312, 3714690, 3730935, 3750068, 3781232, 3848754, 3942120, 3947440, 3979664, 4017930, 4051320, 4066608, 4144812, 4245360, 4362960, 4398576, 4490213, 4591920, 4599140, 4687585, 4726540, 4829097, 4952920, 4974580, 5083260, 5131672, 5181015, 5223309, 5357240, 5498220, 5518968, 5526416, 5625102, 5671848, 5921160, 5943504, 5969496, 6414590, 6428688, 6438796, 6562619, 6777680, 6898710, 6908020, 6964412, 7089810, 7330960, 7429380, 7461870, 7500136, 7697508, 7884240, 8035860, 8048495, 8102640, 8289624, 8705515, 8980426, 9198280, 9375170, 9453080, 9621885, 9658194, 9905840, 9949160, 10166520, 10263344, 10362030, 10446618, 10714480, 10996440, 11037936, 11250204, 11343696, 11842320, 11938992, 12187721, 12829180, 12877592, 13125238, 13470639, 13797420, 13816040, 13928824, 14062755, 14179620, 14858760, 14923740, 15000272, 15395016, 16071720, 16096990, 16579248, 17411030, 17960852, 18396560, 18750340, 18906160, 19243770, 19316388, 19687857, 19898320, 20333040, 20724060, 20893236, 21992880, 22451065, 22500408, 24145485, 24375442, 25658360, 25755184, 26116545, 26250476, 26941278, 27594840, 27632080, 27857648, 28125510, 28359240, 29717520, 29847480, 30790032, 32143440, 32193980, 32813095, 34822060, 35921704, 36563163, 37500680, 38487540, 38632776, 39375714, 41448120, 41786472, 44902130, 45000816, 48290970, 48750884, 51316720, 52233090, 52500952, 53882556, 55189680, 56251020, 56718480, 59694960, 60938605, 64387960, 65626190, 67353195, 69644120, 71843408, 73126326, 75001360, 76975080, 77265552, 78751428, 82896240, 83572944, 85314047, 89804260, 96581940, 97501768, 98439285, 104466180, 105001904, 107765112, 112502040, 121877210, 128775920, 131252380, 134706390, 139288240, 146252652, 153950160, 157502856, 170628094, 179608520, 182815815, 193163880, 195003536, 196878570, 208932360, 215530224, 225004080, 243754420, 255942141, 262504760, 269412780, 292505304, 315005712, 341256188, 359217040, 365631630, 386327760, 393757140, 417864720, 426570235, 487508840, 511884282, 525009520, 538825560, 585010608, 682512376, 731263260, 787514280, 853140470, 975017680, 1023768564, 1077651120, 1279710705, 1365024752, 1462526520, 1575028560, 1706280940, 2047537128, 2559421410, 2925053040, 3412561880, 4095074256, 5118842820, 6825123760, 10237685640, 20475371280]

約数ペア:

[(1, 20475371280), (2, 10237685640), (3, 6825123760), (4, 5118842820), (5, 4095074256), (6, 3412561880), (7, 2925053040), (8, 2559421410), (10, 2047537128), (12, 1706280940), (13, 1575028560), (14, 1462526520), (15, 1365024752), (16, 1279710705), (19, 1077651120), (20, 1023768564), (21, 975017680), (24, 853140470), (26, 787514280), (28, 731263260), (30, 682512376), (35, 585010608), (38, 538825560), (39, 525009520), (40, 511884282), (42, 487508840), (48, 426570235), (49, 417864720), (52, 393757140), (53, 386327760), (56, 365631630), (57, 359217040), (60, 341256188), (65, 315005712), (70, 292505304), (76, 269412780), (78, 262504760), (80, 255942141), (84, 243754420), (91, 225004080), (95, 215530224), (98, 208932360), (104, 196878570), (105, 195003536), (106, 193163880), (112, 182815815), (114, 179608520), (120, 170628094), (130, 157502856), (133, 153950160), (140, 146252652), (147, 139288240), (152, 134706390), (156, 131252380), (159, 128775920), (168, 121877210), (182, 112502040), (190, 107765112), (195, 105001904), (196, 104466180), (208, 98439285), (210, 97501768), (212, 96581940), (228, 89804260), (240, 85314047), (245, 83572944), (247, 82896240), (260, 78751428), (265, 77265552), (266, 76975080), (273, 75001360), (280, 73126326), (285, 71843408), (294, 69644120), (304, 67353195), (312, 65626190), (318, 64387960), (336, 60938605), (343, 59694960), (361, 56718480), (364, 56251020), (371, 55189680), (380, 53882556), (390, 52500952), (392, 52233090), (399, 51316720), (420, 48750884), (424, 48290970), (455, 45000816), (456, 44902130), (490, 41786472), (494, 41448120), (520, 39375714), (530, 38632776), (532, 38487540), (546, 37500680), (560, 36563163), (570, 35921704), (588, 34822060), (624, 32813095), (636, 32193980), (637, 32143440), (665, 30790032), (686, 29847480), (689, 29717520), (722, 28359240), (728, 28125510), (735, 27857648), (741, 27632080), (742, 27594840), (760, 26941278), (780, 26250476), (784, 26116545), (795, 25755184), (798, 25658360), (840, 24375442), (848, 24145485), (910, 22500408), (912, 22451065), (931, 21992880), (980, 20893236), (988, 20724060), (1007, 20333040), (1029, 19898320), (1040, 19687857), (1060, 19316388), (1064, 19243770), (1083, 18906160), (1092, 18750340), (1113, 18396560), (1140, 17960852), (1176, 17411030), (1235, 16579248), (1272, 16096990), (1274, 16071720), (1330, 15395016), (1365, 15000272), (1372, 14923740), (1378, 14858760), (1444, 14179620), (1456, 14062755), (1470, 13928824), (1482, 13816040), (1484, 13797420), (1520, 13470639), (1560, 13125238), (1590, 12877592), (1596, 12829180), (1680, 12187721), (1715, 11938992), (1729, 11842320), (1805, 11343696), (1820, 11250204), (1855, 11037936), (1862, 10996440), (1911, 10714480), (1960, 10446618), (1976, 10362030), (1995, 10263344), (2014, 10166520), (2058, 9949160), (2067, 9905840), (2120, 9658194), (2128, 9621885), (2166, 9453080), (2184, 9375170), (2226, 9198280), (2280, 8980426), (2352, 8705515), (2470, 8289624), (2527, 8102640), (2544, 8048495), (2548, 8035860), (2597, 7884240), (2660, 7697508), (2730, 7500136), (2744, 7461870), (2756, 7429380), (2793, 7330960), (2888, 7089810), (2940, 6964412), (2964, 6908020), (2968, 6898710), (3021, 6777680), (3120, 6562619), (3180, 6438796), (3185, 6428688), (3192, 6414590), (3430, 5969496), (3445, 5943504), (3458, 5921160), (3610, 5671848), (3640, 5625102), (3705, 5526416), (3710, 5518968), (3724, 5498220), (3822, 5357240), (3920, 5223309), (3952, 5181015), (3990, 5131672), (4028, 5083260), (4116, 4974580), (4134, 4952920), (4240, 4829097), (4332, 4726540), (4368, 4687585), (4452, 4599140), (4459, 4591920), (4560, 4490213), (4655, 4398576), (4693, 4362960), (4823, 4245360), (4940, 4144812), (5035, 4066608), (5054, 4051320), (5096, 4017930), (5145, 3979664), (5187, 3947440), (5194, 3942120), (5320, 3848754), (5415, 3781232), (5460, 3750068), (5488, 3730935), (5512, 3714690), (5565, 3679312), (5586, 3665480), (5776, 3544905), (5880, 3482206), (5928, 3454010), (5936, 3449355), (6042, 3388840), (6360, 3219398), (6370, 3214344), (6384, 3207295), (6517, 3141840), (6860, 2984748), (6890, 2971752), (6916, 2960580), (7049, 2904720), (7220, 2835924), (7280, 2812551), (7410, 2763208), (7420, 2759484), (7448, 2749110), (7581, 2700880), (7644, 2678620), (7791, 2628080), (7980, 2565836), (8056, 2541630), (8232, 2487290), (8268, 2476460), (8645, 2368464), (8664, 2363270), (8904, 2299570), (8918, 2295960), (9310, 2199288), (9386, 2181480), (9555, 2142896), (9646, 2122680), (9880, 2072406), (10070, 2033304), (10108, 2025660), (10192, 2008965), (10290, 1989832), (10335, 1981168), (10374, 1973720), (10388, 1971060), (10640, 1924377), (10830, 1890616), (10920, 1875034), (11024, 1857345), (11130, 1839656), (11172, 1832740), (11760, 1741103), (11856, 1727005), (12084, 1694420), (12103, 1691760), (12635, 1620528), (12720, 1609699), (12740, 1607172), (12985, 1576848), (13034, 1570920), (13091, 1564080), (13377, 1530640), (13720, 1492374), (13780, 1485876), (13832, 1480290), (13965, 1466192), (14079, 1454320), (14098, 1452360), (14440, 1417962), (14469, 1415120), (14820, 1381604), (14840, 1379742), (14896, 1374555), (15105, 1355536), (15162, 1350440), (15288, 1339310), (15582, 1314040), (15960, 1282918), (16112, 1270815), (16464, 1243645), (16536, 1238230), (17290, 1184232), (17328, 1181635), (17689, 1157520), (17808, 1149785), (17836, 1147980), (18179, 1126320), (18620, 1099644), (18772, 1090740), (19110, 1071448), (19133, 1070160), (19292, 1061340), (19551, 1047280), (19760, 1036203), (20140, 1016652), (20216, 1012830), (20580, 994916), (20670, 990584), (20748, 986860), (20776, 985530), (21147, 968240), (21660, 945308), (21840, 937517), (22260, 919828), (22295, 918384), (22344, 916370), (23465, 872592), (24115, 849072), (24168, 847210), (24206, 845880), (25270, 810264), (25480, 803586), (25935, 789488), (25970, 788424), (26068, 785460), (26182, 782040), (26754, 765320), (27440, 746187), (27560, 742938), (27664, 740145), (27930, 733096), (28158, 727160), (28196, 726180), (28880, 708981), (28938, 707560), (29640, 690802), (29680, 689871), (30210, 677768), (30324, 675220), (30576, 669655), (31164, 657020), (31920, 641459), (32585, 628368), (32851, 623280), (33072, 619115), (33761, 606480), (34580, 592116), (35245, 580944), (35378, 578760), (35672, 573990), (36309, 563920), (36358, 563160), (37240, 549822), (37544, 545370), (37905, 540176), (38220, 535724), (38266, 535080), (38584, 530670), (38955, 525616), (39102, 523640), (39273, 521360), (40280, 508326), (40432, 506415), (41160, 497458), (41340, 495292), (41496, 493430), (41552, 492765), (42294, 484120), (43320, 472654), (44520, 459914), (44590, 459192), (44688, 458185), (46930, 436296), (48230, 424536), (48336, 423605), (48412, 422940), (49343, 414960), (50540, 405132), (50960, 401793), (51870, 394744), (51940, 394212), (52136, 392730), (52364, 391020), (53067, 385840), (53508, 382660), (54537, 375440), (55120, 371469), (55860, 366548), (56316, 363580), (56392, 363090), (57399, 356720), (57876, 353780), (59280, 345401), (60420, 338884), (60515, 338352), (60648, 337610), (62328, 328510), (65170, 314184), (65455, 312816), (65702, 311640), (66885, 306128), (67522, 303240), (69160, 296058), (70395, 290864), (70490, 290472), (70756, 289380), (71344, 286995), (72345, 283024), (72618, 281960), (72716, 281580), (74480, 274911), (75088, 272685), (75810, 270088), (76440, 267862), (76532, 267540), (77168, 265335), (77910, 262808), (78204, 261820), (78546, 260680), (80560, 254163), (82320, 248729), (82680, 247646), (82992, 246715), (84588, 242060), (84721, 241680), (86640, 236327), (88445, 231504), (89040, 229957), (89180, 229596), (90895, 225264), (91637, 223440), (93860, 218148), (95665, 214032), (96460, 212268), (96824, 211470), (97755, 209456), (98553, 207760), (98686, 207480), (101080, 202566), (101283, 202160), (103740, 197372), (103880, 197106), (104272, 196365), (104728, 195510), (105735, 193648), (106134, 192920), (107016, 191330), (109074, 187720), (111720, 183274), (112632, 181790), (112784, 181545), (114798, 178360), (115752, 176890), (120840, 169442), (121030, 169176), (121296, 168805), (123823, 165360), (124656, 164255), (130340, 157092), (130910, 156408), (131404, 155820), (133770, 153064), (133931, 152880), (135044, 151620), (138320, 148029), (140790, 145432), (140980, 145236), (141512, 144690)]